Include the appropriate endpoint that supports the create_payment_token transaction type (see Endpoints and Transaction Types). For descriptions of all request and reply fields, see API Fields.
Include all request fields in the signed_field_names field with the exception of the card_number field. The signed_field_names field is used to generate a signature that is used to verify the content of the transaction to prevent data tampering.
signed_field_names=comma separated list of signed fieldsunsigned_field_names=comma separated list of unsigned fields
Example 2
signed_field_names=comma separated list of signed fieldsunsigned_field_names=comma separated list of unsigned fields
Include the appropriate endpoint that supports the create_payment_token transaction type (see Endpoints and Transaction Types). For descriptions of all request and reply fields, see API Fields.
Include all request fields in the signed_field_names field. The signed_field_names field is used to generate a signature that is used to verify the content of the transaction to prevent data tampering.
signed_field_names=comma separated list of signed fieldsunsigned_field_names=comma separated list of unsigned fields
Example 4
signed_field_names=comma separated list of signed fields
req_payment_method=echeck